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George Zimmerman, the Florida neighborhood watch captain accused in the fatal of 17-year-old Trayvon Martin, graduated from Osbourn High School in 2001.

He was an alter server for six years at All Saints Church and he joined the Future Business leaders of America club in high school.

Zimmerman has not been charged in the Feb. 26 shooting and has said he shot Martin, who was returning to a gated community after buying candy, in self-defense after Martin attacked him.

After declaring victories in getting federal and state officials to investigate the case, civil rights leaders continued to pressure authorities to make an arrest.

At a town hall meeting Tuesday evening in Sanford, Fla., where the fatal shooting of 17-year-old Trayvon Martin took place last month, officials from the NAACP, the American Civil Liberties Union and the Nation of Islam urged residents to remain calm but demand that the shooter, George Zimmerman, be arrested.

Police said Zimmerman is white; his family says he is Hispanic.

"I stand here as a son, father, uncle who is tired of being scared for our boys," said Benjamin Jealous, national president of the NAACP. "I'm tired of telling our young men how they can't dress, where they can't go and how they can't behave."

The case has ignited a furor against the police department of this Orlando suburb of 53,500 people, prompting rallies and a protest in Gov. Rick Scott's office Tuesday.

The Justice Department's Civil Rights Division said it is sending its community relations service this week to Sanford to "address tension in the community."